<script setup>
import { userRegisterService } from '@/api/user.js'
import { User, Lock } from '@element-plus/icons-vue'
import { ref, watch } from 'vue'
import { useRouter } from 'vue-router'
import request from '@/utils/request'
import Cookies from 'js-cookie'
import { useUserStore } from '@/stores'
const { setLoginUserInfo } = useUserStore()
const isRegister = ref(false)
const form = ref()
//整个用于提交的form数据对象
const formModel = ref({
  username: '',
  password: '',
  repassword: ''
})
//整个表单的检验规则
//1,required: true 非空校验，  message 消息提示，  trigger 触发校验的时机 blur change
//2,长度校验
//3,正则校验 pattern: 正则规则      \S 非空字符 /^\S{6,15}$/
//4,自定义校验
//  validator: (rule,value,callback)
//  (1) rule  当前校验规则相关信息
//  (2) value 所校验的表单元素目前的表单值
//  (3) callback 无论成功还是失败，都需要 callback 回调
//      - callback() 校验成功
//      - callback(new Error(错误信息))校验失败
const rules = ref({
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 5, max: 11, message: '用户名必须是5-11位的字符', trigger: 'blur' }
  ],
  password: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是 6-15位 的非空字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是 6-15位 的非空字符',
      trigger: 'blur'
    },
    {
      validator: (rule, value, callback) => {
        // 判断 value 和当前 form 中收集的password 是否一致
        if (value !== formModel.value.password) {
          callback(new Error('两次输入密码不一致'))
        } else {
          callback() //就算成功也要 callback
        }
      },
      trigger: 'blur'
    }
  ]
})
const register = async () => {
  //注册成功之前，先校验，校验成功 -> 请求，校验失败 -> 自动提示
  await form.value.validate()
  await userRegisterService(formModel.value)
  ElMessage.success('注册成功')
  // 切换到登录
  isRegister.value = false
}

const router = useRouter()
const login = async () => {
  await form.value.validate()
  request
    .get('/loginWeb', {
      params: {
        loginName: formModel.value.username,
        password: formModel.value.password
      },
      withCredentials: true // 关键配置
    })
    .then((res) => {
      if (res.code == 0) {
        const jsonString = JSON.stringify(res.data)
        Cookies.set('userInfo', encodeURIComponent(jsonString), { expires: 7 }) // 设置 token, 有效期7天
        ElMessage.success('登录成功')
        setLoginUserInfo(res.data)
        router.push('/article/manage')
      } else {
        ElMessage.error('登录失败')
      }
    })
  // const res = await userLoginService(formModel.value)
  // userStore.setToken(res.data.token)
  // ElMessage.success('登录成功')
  // router.push('/')
}

//切换时重置   用watch监视
watch(isRegister, () => {
  formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
})
</script>

<template>
  <!-- el-row 表示一行，分24份
       el-col 表示列  
       (1)span="12" 表示在一行中占12份
       (2):offset="3" 表示在一行中，离左侧空格多少

    2,校验相关  !!!
       (1) el-form => :model="ruleForm" 绑定的是整个form的表单对象 { xxx,xxx,xxx }
       (2) el-form => :rules="rules" 绑定的整个rules规则对象
       (3) 表单元素 => v-model="ruleForm.xxx" 给表单元素，绑定form的子属性
       (4) el-form-item => prpo 配置生效的是哪个校验规则 (和rules中的字段要对应)
  -->
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- el-form 表单
           el-form-item 表单一行（一个表单域）
           el-input 表单元素
      -->
      <!-- 注册相关表单 -->
      <el-form
        :model="formModel"
        :rules="rules"
        ref="form"
        size="large"
        autocomplete="off"
        v-if="isRegister"
      >
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            v-model="formModel.username"
            :prefix-icon="User"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="formModel.password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            v-model="formModel.repassword"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入再次密码"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button
            @click="register"
            class="button"
            type="primary"
            auto-insert-space
          >
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>

      <!-- 登陆相关表单 -->
      <el-form
        :model="formModel"
        :rules="rules"
        ref="form"
        size="large"
        autocomplete="off"
        v-else
      >
        <h1>环卫工人绩效考核系统</h1>
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            v-model="formModel.username"
            :prefix-icon="User"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="formModel.password"
            name="password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>

        <el-form-item class="flex">
          <div class="flex">
            <!-- 记住我     忘记密码 -->
            <!-- <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link> -->
          </div>
        </el-form-item>
        <el-form-item>
          <el-button
            @click="login"
            class="button"
            type="primary"
            auto-insert-space
            >登录</el-button
          >
        </el-form-item>
        <el-form-item class="flex">
          <!-- 注册页面跳转 -->
          <!-- <el-link type="info" :underline="false" @click="isRegister = true">
            注册 →
          </el-link> -->
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #fff;
  .bg {
    background:
      url('@/assets/') no-repeat 60% center / 240px auto,
      url('@/assets/login1-1.png') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }
  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;
    .title {
      margin: 0 auto;
    }
    .button {
      width: 100%;
    }
    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>
